American indian community house, 708 Broadway, 2nd fl., 212-598-0100, x240 or 241: Through Dec. 19-Indian Market 2004, Native American artisans from all over the country selling their work, daily from noon-8 p.m., free admission.

Mcburney ymca, 125 W. 14th St., 212-741-6383: Through Dec. 17-McBurney YMCA is holding an online auction to raise money for their family programs, go to mcburneyauction.cmarket.com or call for more details, donations are also still being accepted until the end of the event.

Union square park, West 14th St., 212-608-0333: Through Dec. 24-Annual Holiday Market at Union Square, featuring vendors from all over the country, high quality arts and crafts, a perfect place to pick up gifts for the holidays, on the south end of the park, open daily from 11 a.m.-8 p.m., free admission.

Washington square park, Fifth Ave. below 8th St., 212-252-3621: Dec. 24-Tree lighting and holiday singing, bring in the holiday season with this traditional celebration in the park, Santa Claus himself will be making an appearance to see all of Downtowns children, 6 p.m.

Neighborhood Hot Spots & Organizations:

Collective unconscious, 279 Church St., 212-254-5277.

The kitchen, 512 W. 19th St., 212-255-5793.

Lower manhattan cultural council, 120 Broadway, 212-219-9401.

Salmagundi club, 47 Fifth Ave., 212-255-7740.

Watson adventures, various locations, 212-726-1529: Scavenger hunts around the city.

THE TILE PROJECT A one-year public art installation featuring 120 four-inch tile artworks created with ceramics, glass, photography, and digital imagery. The installation is one of 22 global locations, a joint effort among 120 artists from 40 countries. Mercer Street Playground, Mercer St, between Bleecker and W. 3rd St.